CN103741657B - The construction method of large-sized multifunction waterborne traffic accident - Google Patents

The construction method of large-sized multifunction waterborne traffic accident Download PDF

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Publication number
CN103741657B
CN103741657B CN201310736699.3A CN201310736699A CN103741657B CN 103741657 B CN103741657 B CN 103741657B CN 201310736699 A CN201310736699 A CN 201310736699A CN 103741657 B CN103741657 B CN 103741657B
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platform
construction
steel
buoyancy aid
pile casting
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CN103741657A (en
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周功建
郭煜
李艳哲
贾为民
朱兵
饶培红
曹振杰
夏学军
杨瑞
姚发海
代昊
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No1 Engineering Co Ltd Zhongtie Bridge Bureau Group
China Railway Major Bridge Engineering Group Co Ltd MBEC
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No1 Engineering Co Ltd Zhongtie Bridge Bureau Group
China Railway Major Bridge Engineering Group Co Ltd MBEC
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Abstract

The construction method of large-sized multifunction waterborne traffic accident, comprise the following steps: first required buoyancy aid is rested in river bank, the member unit processed is hung on buoyancy aid, member unit Connecting groups spell shape is become platform, platform places pile driving equipment and steel pile casting in advance, then the anchoring system of buoyancy aid is removed, by tugboat, buoyancy aid is dragged to design pier position, draw and establish anchor line accurately to be located by platform, rely on the guiding device on platform, inserted to play operation is carried out to crossing big vast stake, cross big vast stake inserted to play complete after Integral lifting platform carry out system transform, platform is fixed on and crosses in big vast stake, then the inserted to play of other steel pile casting is continued, carry out drilled pile construction simultaneously, construction cofferdam after drilled pile construction completes, adjustment platform absolute altitude is as cofferdam inner supporting structure.Of the present inventionly utilize that buoyancy aid is assembled, the construction technology of transportation by driving multifunctional platform, the large-scale marine equipment of required input is few, in bank processing, easy for installation, without the need to first construction bridge, is convenient to save the duration and reduce construction cost.

Description

The construction method of large-sized multifunction waterborne traffic accident
Technical field
The invention belongs to technical field of bridge construction, particularly relate to a kind of construction method of large-sized multifunction waterborne traffic accident.
Background technology
Bridge construction is according to design content, builds the process of bridge.It comprises bridge substructure construction, the construction of Superstructure Construction and bridge ancillary works.
Bridge substructure construction refers to the construction of bridge foundation and abutment, bridge pier.Bridge foundation is divided into by its structure and construction method: open cut foundation, pile foundation, cylinder pile foundation, open caisson foundation and laying foundation.Open cut foundation can open slope excavation pit or go along with sb. to guard him excavation with cofferdam.Pile foundation generally uses hammer driven, or vibrations are sunk, or bores the method constructions such as (digging) hole perfusion.Since the sixties, along with the development of jack up drilling platform waterborne, high-effect drilling and digging machine tool and the new technology such as mud off, mud casting, the application of bored pile in bridge foundation is increasingly extensive.Tubing string construction is general by vibrations enforced settlement, and in managing with boring, dig, the method such as suction removes native stone, to reduce sinking frictional resistance.Open caisson and Caisson, multiplex construction with artificial island in seashore or shallow water, available transportation by driving construction in deep water.Open caisson uses ream grab or suction dredge etc. except soil in open caisson, draining simultaneously or non-drainage subsidence.The general multiplex manpower of caisson excavates at high pressure except soil, and condition of labor is poor, seldom uses at present.Masonry pier, abutment many employings on-site construction, also can construct by splicing prefabricated components, and concrete high pier recently more uses climbing forms placing on the spot.
Bridge superstructure construction refers to the manufacture of bridge superstructure and installs erection, comprise steel bridge's manufacture and steel bridge erection, concrete bridge manufacture (comprising plain concrete bridge, reinforced concrete bridge and prestressed concrete bridge) and Concrete bridge erection, and stone bridge, wooden bridge construction etc.Steel bridge is made rod member or beam section, is transported to building site assembling in factory.Concrete bridge can in factory prefabricated units or sections, also can placing on bridge location.Stone arch bridge is generally built by laying bricks or stones on bridge location by bow member method.How wooden bridge handling ease, manufacture in building site, install erection.The construction method of steel bridge erection and Concrete bridge erection, can be summarized as by the difference of bridge construction stress in erection construction: 1. rack construction method.By support load-bearing, structure is in the state of not stressing in construction.2. cantilever-construction.By the load-bearing of structure own, its stress is cantilever system.3. integrated stand is managed.The support conditions of structural stress state depending on adopting during erection.
The construction of bridge ancillary works refers to the construction of bridge approach and diversion structure.The embankment on plain river beach part of bridge approach should use the strong soil property of water permeability to fill, and with stone paving with protection against erosion.Diversion structure is many in the dry season, according to on-site constructions such as design mattress, gabion, stone-laying or concrete.
At present, in bridge deepwater foundation construction, drilling platform adopts fixed or floating platform usually, and these type of platform general utility functions are comparatively single.In addition, existing fixed platform is generally first build trestle, utilizes special leading truck inserted to play auxiliary pile and steel pile casting, then arranges connected system between stake, then on the bracket of auxiliary pile top and steel pile casting, installs distribution beam and platform framework, forms drilling platform.After pile foundation construction completes, when assembled cofferdam, platform need be removed, another installation cofferdam inner support.The construction method of above-mentioned fixed platform is loaded down with trivial details, is dropped in that equipment waterborne is many, construction cost is high, the cycle is long.
Summary of the invention
The present invention, in order to solve weak point of the prior art, provides a kind of simple, construction method of being dropped in the large-sized multifunction waterborne traffic accident that equipment waterborne is few, cost is low, the cycle is short.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the construction method of large-sized multifunction waterborne traffic accident, comprises the following steps:
(1), in advance at least two buoyancy aids are set on the water, use anchor line to be cast anchor by buoyancy aid location;
(2), use crane barge or loop wheel machine to hang onto on buoyancy aid by the member unit processed, buoyancy aid carries out assembled to member unit, and at installation and guide device in assembled process, each member unit is bolted or soldering group dresses up floating platform;
(3), removing the grappling of buoyancy aid, buoyancy aid and platform being hauled the bridge pier position to presetting by tugboat, then draw and establish anchor line accurately to be located by buoyancy aid;
(4), at the correct position of the sidepiece of buoyancy aid, utilize crane barge, pile driving equipment by steel pile casting through guiding device, big vast stake is crossed in inserted to play construction;
(5), cross after big vast stake completes by designing requirement inserted to play, jack and/or hoist engine lifting platform is used to carry out system transform, by platform with cross big vast stake and be connected and fixed, platform is conducted oneself with dignity to be transformed into by buoyancy aid load-bearing to cross in big vast stake, forms a stable stool structure platform;
(6), by buoyancy aid haul out flat roof area, continue the inserted to play carrying out remaining steel pile casting on platform by guiding device, on platform, utilize rig to carry out drilled pile operation to the steel pile casting that inserted to play completes simultaneously;
(7), after drilled pile construction completes, start the cofferdam of operation platform surrounding, and inside drilled pile and cofferdam between riverbed on pouring underwater concrete;
(8), the construction equipment removed on platform, platform is adjusted to design elevation position by recycling jack or hoist engine, by platform surrounding with inside cofferdam between be fixedly connected with, platform is converted to cofferdam inner supporting structure.
Described platform is made up of top section and underclad portion, top section is formed by connecting by row's top rail and the upper longeron square crossing of a row, underclad portion is formed by connecting by row's lower transverse beam and the lower longeron square crossing of a row, and all vertical one_to_one corresponding between top rail and lower transverse beam, between upper longeron and lower longeron also connects as one respectively by vertical bar and hound; Adjacent two top rails and adjacent two upper longerons and between adjacent two lower transverse beams and adjacent two lower longerons, surround the vertical direction spatial forming four-prism shape.
Described guiding device comprises four steel pipes vertically arranged, four steel pipes close on four ribs of vertical direction spatial respectively, every root steel pipe is connected with top rail and upper longeron respectively by bracket, the lower end of four steel pipes is lower than the underclad portion of platform, two pieces of arc-shaped guide plates are equipped with from top to bottom inside every root steel pipe, one piece of arc-shaped guide plate on top and the top section co-altitude of platform are arranged, one piece of arc-shaped guide plate of bottom is located at the lower end inside of steel pipe, the cylindrical shape that eight pieces of arc-shaped guide plates are encircled into for the vertical passageway by steel pile casting; Between adjacent two steel pipes, level is provided with connecting rod, connecting rod is provided with upper, middle and lower-ranking, four connecting rods on upper strata are positioned at the top section of platform, four connecting rods in middle level are positioned at the underclad portion of platform, and four connecting rods of lower floor and four pieces of arc-shaped guide plate co-altitudes of bottom are arranged.
The top section of described platform is provided with the governor motion be positioned at outside four steel pipes, governor motion comprises the holder be bolted on top rail and upper longeron, holder has been threaded screw mandrel, the inner of screw mandrel is provided with the arc adjustable plate in the outside of top compressed steel pipe, and the axis direction of screw mandrel is consistent with the radial direction of vertical passageway.
Described lower transverse beam and lower longeron are provided with Connection Block at four rib places of vertical direction spatial, and the outside of steel pipe is provided with the link plate mounted with Connection Block.
Be provided with the gag lever post be fixedly connected with two top rails and/or two upper longerons in described vertical direction spatial, gag lever post is positioned at the point midway of adjacent two steel pipe lines.
When using crane barge lifting steel pile casting vertically through vertical passageway in step (4) and step (6), the middle part of four steel pipes is articulated on Connection Block by link plate, when steel pile casting gradient transfinites after tested, just operation screw mandrel top is pressed or leaves steel pipe, make each two pieces of arc-shaped guide plates of upper strata upstream side and lower floor downstream and steel pile casting external surface closely connected, and make mouth at the bottom of steel pile casting that certain pre-deviator is upstream set according to current size, then fix bracket, steel pile casting transferred by crane barge; Remove governor motion, be installed to outside another one guiding device and continue to regulate the verticality of steel pile casting.
Adopt technique scheme, first required buoyancy aid (barge) is rested in the terminal locations of river bank, buoyancy aid is linked together, to cast anchor location, with the member unit processed hangs on buoyancy aid by loop wheel machine and crane barge on the bank, member unit Connecting groups spell shape is become platform, platform places pile driving equipment and steel pile casting in advance, then the anchoring system of buoyancy aid is removed, by tugboat, buoyancy aid is dragged to design pier position, draw and establish anchor line accurately to be located by platform, rely on the guiding device on platform, inserted to play operation is carried out to crossing big vast stake with crane barge lifting steel pile casting is auxiliary, cross after big vast stake inserted to play completes, carry out system transform, platform is fixed on and crosses in big vast stake, buoyancy aid is made to roll bridge location away from, form a stabilized platform, then the inserted to play of other steel pile casting is continued, on platform, carry out drilled pile construction simultaneously, after drilled pile construction completes, start the cofferdam of operation platform surrounding, adjust platform absolute altitude as the inner supporting structure in cofferdam construction process and after construction simultaneously.
Crossing big vast stake is construct dry season in river, is filled with concrete in the steel pile casting crossing big vast stake, to guarantee the stability guaranteeing operation platform when flood season.
The lower end of four steel pipes of guiding device, lower than the underclad portion of platform, extends the guiding to steel pile casting, can reduce the blastic deformation of current to steel pile casting like this when steel pile casting is transferred.
Be articulated on Connection Block by link plate outside four steel pipes, be so not only convenient to dismounting, and can screw mandrel easy to use to the adjustment of steel pile casting verticality.
Gag lever post is used for the position of location steel casing.When after the verticality regulating steel pile casting, be fixed on top rail and upper longeron by steel pipe, so just guarantee in the process transferring steel pile casting by bracket, guiding device plays and vertically leads and resist the effect of current.
In sum, of the present inventionly utilize that buoyancy aid is assembled, the construction technology of transportation by driving multifunctional platform, play good guide effect, guarantee that steel pile casting keeps vertical state in decentralization process, improve and cross the construction quality of big vast stake and drilled pile, the large-scale marine equipment of required input is few, in bank processing, easy for installation, without the need to first construction bridge, be convenient to save the duration and reduce construction cost.
Accompanying drawing explanation
Fig. 1 is layout plan of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is that flat top is crossing the schematic diagram in big vast stake;
Fig. 4 is the schematic diagram that platform is converted to cofferdam inner support;
Fig. 5 is the structural representation of guiding device in the present invention;
Fig. 6 is A-A sectional view in Fig. 5;
Fig. 7 is B-B sectional view in Fig. 5;
Fig. 8 is C-C sectional view in Fig. 5.
Detailed description of the invention
As Figure 1-Figure 8, the construction method of large-sized multifunction waterborne traffic accident of the present invention, comprises the following steps:
(1), in advance at least two buoyancy aids 1 are set on the water, use anchor line to be cast anchor by buoyancy aid 1 location;
(2), use crane barge or loop wheel machine to hang onto on buoyancy aid 1 by the member unit processed, buoyancy aid 1 carries out assembled to member unit, and at installation and guide device 2 in assembled process, each member unit is bolted or soldering group dresses up floating platform 3;
(3), removing the grappling of buoyancy aid 1, buoyancy aid 1 and platform 3 being hauled the bridge pier position to presetting by tugboat, then draw and establish anchor line 4 accurately to be located by buoyancy aid 1;
(4), at the correct position of the sidepiece of buoyancy aid 1, utilize crane barge, pile driving equipment by steel pile casting 5 through guiding device 2, big vast stake 6 is crossed in inserted to play construction, is filled with concrete in the steel pile casting 5 crossing big vast stake 6;
(5), cross after big vast stake 6 completes by designing requirement inserted to play, jack and/or hoist engine is used to carry out system transform to platform 3, by platform 3 with cross big vast stake 6 and be connected and fixed, platform 3 is conducted oneself with dignity to be transformed into by buoyancy aid 1 load-bearing to cross in big vast stake 6, forms a stable stool structure platform 3;
(6), by buoyancy aid 1 haul out platform 3 scope, continue the inserted to play carrying out remaining steel pile casting 5 on platen 3 by guiding device 2, the steel pile casting 5 simultaneously utilizing rig 9 pairs of inserted to plays to complete on platen 3 carries out drilled pile 7 operation;
(7), after drilled pile 7 constructed, started the cofferdam 8 of operation platform 3 surrounding, and inside drilled pile 7 and cofferdam 8 between riverbed on pouring underwater concrete 26;
(8), the construction equipment such as the rig 9 removed on platform 3, platform 3 is adjusted to design elevation position by recycling jack or hoist engine, by platform 3 surrounding with inside cofferdam 8 between be fixedly connected with, platform 3 is converted to the inner supporting structure in cofferdam 8.
Platform 3 is made up of top section and underclad portion, top section is formed by connecting by row's top rail 11 and upper longeron 12 square crossing of a row, underclad portion is formed by connecting by row's lower transverse beam 13 and lower longeron 14 square crossing of a row, and all vertical one_to_one corresponding between top rail 11 and lower transverse beam 13, between upper longeron 12 and lower longeron 14 also connects as one respectively by vertical bar 15 and hound 16; Adjacent two top rails 11 and adjacent two upper longerons 12 and between adjacent two lower transverse beams 13 and adjacent two lower longerons 14, surround the vertical direction spatial forming four-prism shape.
Guiding device 2 comprises four steel pipes 17 vertically arranged, four steel pipes 17 close on four ribs of vertical direction spatial respectively, every root steel pipe 17 is connected with top rail 11 and upper longeron 12 respectively by bracket 18, the lower end of four steel pipes 17 is lower than the underclad portion of platform 3, two pieces of arc-shaped guide plates 19 are equipped with from top to bottom inside every root steel pipe 17, one piece of arc-shaped guide plate 19 on top is arranged with the top section co-altitude of platform 3, one piece of arc-shaped guide plate 19 of bottom is located at the lower end inside of steel pipe 17, the cylindrical shape that eight pieces of arc-shaped guide plates 19 are encircled into for the vertical passageway by steel pile casting 5, between adjacent two steel pipes 17, level is provided with connecting rod 20, connecting rod 20 is provided with upper, middle and lower-ranking, four connecting rods 20 on upper strata are positioned at the top section of platform 3, four connecting rods 20 in middle level are positioned at the underclad portion of platform 3, and four connecting rods 20 of lower floor are arranged with four pieces of arc-shaped guide plate 19 co-altitudes of bottom.
The top section of platform 3 is provided with the governor motion be positioned at outside four steel pipes 17, governor motion comprises the holder 21 be bolted on top rail 11 and upper longeron 12, holder 21 has been threaded screw mandrel 22, the inner of screw mandrel 22 is provided with the arc adjustable plate 27 in the outside of top compressed steel pipe 17, and the axis direction of screw mandrel 22 is consistent with the radial direction of vertical passageway.
Lower transverse beam 13 and lower longeron 14 are provided with Connection Block 23 at four rib places of vertical direction spatial, and the outside of steel pipe 17 is provided with the link plate 24 mounted with Connection Block 23.
Be provided with the gag lever post 25 be fixedly connected with two top rails 11 and/or two upper longerons 12 in vertical direction spatial, gag lever post 25 is positioned at the point midway of adjacent two steel pipe 17 lines.
When using crane barge lifting steel pile casting 5 vertically through vertical passageway in step (4) and step (6), the middle part of four steel pipes 17 is articulated on Connection Block 23 by link plate, when steel pile casting 5 gradient transfinites after tested, just operation screw mandrel 22 pushes up pressure or leaves steel pipe 17, make each two pieces of arc-shaped guide plates of steel pipe 17 upper strata upstream side and lower floor downstream 19 and steel pile casting 5 external surface closely connected, and make steel pile casting 5 end mouth that certain pre-deviator is upstream set according to current size, then fix bracket 18, steel pile casting 5 transferred by crane barge; Remove governor motion, be installed to outside another one guiding device 2 and continue to regulate the verticality of steel pile casting 5.
Crossing big vast stake 6 is construct dry season in river, is filled with concrete in the steel pile casting 5 crossing big vast stake 6, to guarantee the stability guaranteeing operation platform 3 when flood season.
The lower end of four steel pipes 17 of guiding device 2, lower than the underclad portion of platform 3, extends the guiding to steel pile casting 5, can reduce the blastic deformation of current to steel pile casting 5 like this when steel pile casting 5 is transferred.
Be articulated on Connection Block 23 by link plate 24 outside four steel pipes 17, be so not only convenient to dismounting, and can the adjustment of screw mandrel easy to use 22 pairs of steel pile casting 5 verticality.
When after the verticality regulating steel pile casting 5, be fixed on top rail 11 and upper longeron 12 by steel pipe 17 by bracket 18, so just guarantee in the process transferring steel pile casting 5, guiding device 2 plays and vertically leads and resist the effect of current.The setting of gag lever post 25 is when pulling out guiding device 2, for the position of fixing steel pile casting 5.
The present embodiment not does any pro forma restriction to shape of the present invention, material, structure etc.; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.

Claims (6)

1. the construction method of large-sized multifunction waterborne traffic accident, is characterized in that: comprise the following steps,
(1), in advance at least two buoyancy aids are set on the water, use anchor line to be cast anchor by buoyancy aid location;
(2), use crane barge or loop wheel machine to hang onto on buoyancy aid by the member unit processed, buoyancy aid carry out assembled to member unit, and in assembled process installation and guide device, each member unit is bolted or soldering group dresses up floating platform; Described guiding device comprises four steel pipes vertically arranged, four steel pipes close on four ribs of vertical direction spatial respectively, every root steel pipe is connected with top rail and upper longeron respectively by bracket, the lower end of four steel pipes is lower than the underclad portion of platform, two pieces of arc-shaped guide plates are equipped with from top to bottom inside every root steel pipe, one piece of arc-shaped guide plate on top and the top section co-altitude of platform are arranged, one piece of arc-shaped guide plate of bottom is located at the lower end inside of steel pipe, eight pieces of arc-shaped guide plates be encircled into cylindrical shape for the vertical passageway by steel pile casting; Between adjacent two steel pipes, level is provided with connecting rod, connecting rod is provided with upper, middle and lower-ranking, four connecting rods on upper strata are positioned at the top section of platform, four connecting rods in middle level are positioned at the underclad portion of platform, and four connecting rods of lower floor and four pieces of arc-shaped guide plate co-altitudes of bottom are arranged;
(3), removing the grappling of buoyancy aid, buoyancy aid and platform being hauled the bridge pier position to presetting by tugboat, then draw and establish anchor line accurately to be located by buoyancy aid;
(4), at the correct position of the sidepiece of buoyancy aid, utilize crane barge, pile driving equipment by steel pile casting through guiding device, big vast stake is crossed in inserted to play construction;
(5), cross after big vast stake completes by designing requirement inserted to play, jack and/or hoist engine lifting platform is used to carry out system transform, by platform with cross big vast stake and be connected and fixed, platform is conducted oneself with dignity to be transformed into by buoyancy aid load-bearing to cross in big vast stake, forms a stable stool structure platform;
(6), by buoyancy aid haul out flat roof area, continue the inserted to play carrying out remaining steel pile casting on platform by guiding device, on platform, utilize rig to carry out drilled pile operation to the steel pile casting that inserted to play completes simultaneously;
(7), after drilled pile construction completes, start the cofferdam of operation platform surrounding, and inside drilled pile and cofferdam between riverbed on pouring underwater concrete;
(8), the construction equipment removed on platform, platform is adjusted to design elevation position by recycling jack or hoist engine, by platform surrounding with inside cofferdam between be fixedly connected with, platform is converted to cofferdam inner supporting structure.
2. the construction method of large-sized multifunction waterborne traffic accident according to claim 1, it is characterized in that: described platform is made up of top section and underclad portion, top section is formed by connecting by row's top rail and the upper longeron square crossing of a row, underclad portion is formed by connecting by row's lower transverse beam and the lower longeron square crossing of a row, and all vertical one_to_one corresponding between top rail and lower transverse beam, between upper longeron and lower longeron also connects as one respectively by vertical bar and hound; Adjacent two top rails and adjacent two upper longerons and between adjacent two lower transverse beams and adjacent two lower longerons, surround the vertical direction spatial forming four-prism shape.
3. the construction method of large-sized multifunction waterborne traffic accident according to claim 2, it is characterized in that: the top section of described platform is provided with the governor motion be positioned at outside four steel pipes, governor motion comprises the holder be bolted on top rail and upper longeron, holder has been threaded screw mandrel, the inner of screw mandrel is provided with the arc adjustable plate in the outside of top compressed steel pipe, and the axis direction of screw mandrel is consistent with the radial direction of vertical passageway.
4. the construction method of large-sized multifunction waterborne traffic accident according to claim 3, is characterized in that: described lower transverse beam and lower longeron are provided with Connection Block at four rib places of vertical direction spatial, and the outside of steel pipe is provided with the link plate mounted with Connection Block.
5. the construction method of large-sized multifunction waterborne traffic accident according to claim 4, it is characterized in that: be provided with the gag lever post be fixedly connected with two top rails and/or two upper longerons in described vertical direction spatial, gag lever post is positioned at the point midway of adjacent two steel pipe lines.
6. the construction method of large-sized multifunction waterborne traffic accident according to claim 5, it is characterized in that: when using crane barge lifting steel pile casting vertically through vertical passageway in step (4) and step (6), the middle part of four steel pipes is articulated on Connection Block by link plate, when steel pile casting gradient transfinites after tested, just operation screw mandrel top is pressed or leaves steel pipe, make each two pieces of arc-shaped guide plates of upper strata upstream side and lower floor downstream and steel pile casting external surface closely connected, and make mouth at the bottom of steel pile casting that certain pre-deviator is upstream set according to current size, then bracket is fixed, steel pile casting transferred by crane barge, remove governor motion, be installed to outside another one guiding device and continue to regulate the verticality of steel pile casting.
CN201310736699.3A 2013-12-27 2013-12-27 The construction method of large-sized multifunction waterborne traffic accident Active CN103741657B (en)

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CN105947131B (en) * 2016-05-26 2018-01-12 中铁上海工程局集团有限公司 A kind of mobile steel pipe inserting piling anchoring type drilling floating construction platform and its construction method
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CN106320332B (en) * 2016-09-09 2018-08-31 中交第二航务工程局有限公司 The construction method and construction system of over-water bored pile are carried out based on pushing tow mobile platform
CN106522211B (en) * 2016-11-30 2019-02-22 中铁十六局集团第三工程有限公司 A kind of bridge pier tubular pole pile foundation constructing device and its construction method
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